CN211951355U - Positionable swing arm power device - Google Patents
Positionable swing arm power device Download PDFInfo
- Publication number
- CN211951355U CN211951355U CN202020215754.XU CN202020215754U CN211951355U CN 211951355 U CN211951355 U CN 211951355U CN 202020215754 U CN202020215754 U CN 202020215754U CN 211951355 U CN211951355 U CN 211951355U
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- screw rod
- swing arm
- base
- positioning
- arm power
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Abstract
The utility model relates to a swing arm power device that can fix a position, its technical scheme main points are: the device comprises a base arranged in the horizontal direction and a screw rod arranged in the vertical direction, wherein one end of the screw rod is arranged on the base, and the other end of the screw rod is connected with a power source assembly for driving the screw rod; the two sides of the screw rod are fixedly provided with positioning components for positioning the screw rod; the screw rod is in threaded connection with a connecting assembly for connecting an external swing arm device; the connecting assembly can vertically reciprocate up and down along the space between the base and the positioning assembly; the utility model discloses a swing arm power device can protect coupling assembling to drive swing arm device and do perpendicular repetitive motion about following between base and the locating component, can not take place to deflect in the motion process, and thrust around also can greatly reduced lead screw receives simultaneously can effectively increase of service life, and the practicality is stronger.
Description
Technical Field
The utility model relates to a power device, more specifically say, it relates to a swing arm power device that can fix a position.
Background
The swing arm device is widely applied to various fields, for example, in the layout of wreckers, overhead working vehicles and stage lighting, the swing arm device needs to be powered by a power device, and then the swing arm device is driven to operate.
However, in the process of moving the swing arm device, the existing power device is easy to have the problems of deflection and low operation precision, so that the service life of the power device is short, the reliability of the power device is poor, and therefore, the power device has room for improvement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a swing arm power device that can fix a position swing arm device, and the running accuracy is high.
The above technical purpose of the present invention can be achieved by the following technical solutions: a positionable swing arm power device comprises a base arranged in the horizontal direction and a screw rod arranged in the vertical direction, wherein one end of the screw rod is arranged on the base, and the other end of the screw rod is connected with a power source assembly for driving the screw rod; the two sides of the screw rod are fixedly provided with positioning components for positioning the screw rod; the screw rod is in threaded connection with a connecting assembly for connecting an external swing arm device; the connecting assembly can vertically reciprocate up and down along the base and between the positioning assemblies.
Optionally, the positioning assembly comprises two positioning optical axes and baffles arranged in the horizontal direction, the two positioning optical axes are symmetrically arranged on two sides of the screw rod along the vertical direction, the bottom end of each positioning optical axis is arranged on the base, and the top end of each positioning optical axis penetrates through the baffles and is connected with the power source assembly; the baffle is arranged at the top of the connecting assembly through the positioning optical axis; one side of the positioning optical axis, which is positioned at the top of the baffle, is provided with a sliding copper sleeve; the connecting assembly can vertically reciprocate up and down along the bottom and between the baffle plates.
Optionally, the connecting assembly includes a threaded sleeve connecting piece screwed on the screw rod, and a sliding bearing is arranged on the threaded sleeve connecting piece and used for connecting an external swing arm device.
Optionally, a pin shaft is arranged on the threaded connection sleeve, and the sliding bearing is connected with the threaded connection sleeve through the pin shaft.
Optionally, the power source assembly comprises a motor, and an output shaft of the motor is connected with the top end of the screw rod.
Optionally, the power source assembly further comprises a speed reducer, the speed reducer is arranged at the top end of the screw rod, and an output shaft of the motor is connected with the speed reducer.
Optionally, a supporting plate is arranged at the bottom of the speed reducer, the screw rod penetrates through the supporting plate and is connected with the speed reducer, and the bottom of the supporting plate is connected with the top end of the positioning optical axis.
Optionally, a thrust bearing is arranged on the base, and the lead screw is connected with the base through the thrust bearing.
Optionally, the screw is a precision ball screw.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses a swing arm power device can guarantee that coupling assembling drives the swing arm device and is perpendicular repetitive motion about base and locating component are, can not take place to deflect in the motion process, and thrust around also can greatly reduced lead screw receives simultaneously can effectively prolong lead screw life, and the practicality is stronger.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a motor; 2. sliding the copper sleeve; 3. positioning an optical axis; 4. a sliding bearing; 5. a pin shaft; 6. a threaded sleeve connecting piece; 7. a screw rod; 8. a thrust bearing; 9. a speed reducer; 10. a base; 11. a baffle plate; 12. and (7) a supporting plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides a positionable swing arm power device, as shown in figure 1, comprising a horizontally arranged base 10 and a vertically arranged lead screw 7, wherein one end of the lead screw 7 is arranged on the base 10, and the other end is connected with a power source component for driving the lead screw 7; two sides of the screw rod 7 are fixedly provided with positioning components for positioning the screw rod 7; the screw rod 7 is in threaded connection with a connecting assembly for connecting an external swing arm device; the connecting assembly can vertically reciprocate up and down along the base 10 and the positioning assembly.
Further, as shown in fig. 1, a thrust bearing 8 is disposed on the base 10, and the lead screw 7 is connected to the base 10 through the thrust bearing 8; the thrust bearing 8 can support the screw rod 7 to do rotary motion, so that the friction coefficient of the screw rod 7 in the motion process is reduced, the rotary precision of the screw rod is ensured, and the rotary motion is converted into the linear motion of the connecting assembly; optionally, the screw 7 is a precision ball screw, has a small frictional resistance, and has the characteristics of high precision and high efficiency.
Furthermore, the positioning assembly comprises two positioning optical axes 3 and baffles 11 arranged in the horizontal direction, the two positioning optical axes 3 are symmetrically arranged on two sides of the screw rod 7 along the vertical direction, the bottom end of each positioning optical axis 3 is arranged on the base 10, and the top end of each positioning optical axis 3 penetrates through the baffles 11 and is connected with the power source assembly; the baffle plate 11 is fixed on the top of the connecting assembly through the positioning optical axis 3; one side of the positioning optical axis 3, which is positioned at the top of the baffle 11, is provided with a sliding copper sleeve 2, so that the positioning optical axis 3 can be fixed;
the connecting assembly vertically reciprocates between the bottom and the baffle plate 11. The positioning optical axis 3 is fixed on two sides of the screw rod 7, and the connecting assembly is positioned through the baffle 11 and the sliding copper sleeve 2, so that the stability of the screw rod 7 in the motion process can be ensured, the connecting assembly is ensured to vertically reciprocate up and down between the base 10 and the baffle 11, deflection cannot occur in the motion process, and the precision is higher; the front and rear thrust of the screw rod 7 is greatly reduced, and the service life of the screw rod is prolonged.
Furthermore, the connecting assembly comprises a threaded sleeve connecting piece 6 in threaded connection with the screw rod 7, the threaded sleeve connecting piece 6 is connected with a pin shaft 5, and a sliding bearing 4 is arranged on the pin shaft 5 and is used for connecting an external swing arm device; the sliding bearing 4 can greatly reduce the friction loss and surface abrasion between the swing arm device and the thread sleeve connecting piece 6, has certain vibration absorption and bearing capacity and can effectively improve the working efficiency; the pin shaft 5 is used as a fastener, so that the sliding bearing 4 and the threaded sleeve connecting piece 6 are connected more tightly, and the sliding bearing 4 and an external swing arm device are always driven by the threaded sleeve connecting piece 6 to vertically and repeatedly move between the base 10 and the baffle 11.
Further, the power source assembly comprises a motor 1 and a speed reducer 9, the speed reducer 9 is arranged at the top end of the screw rod 7, and an output shaft of the motor 1 is connected with the speed reducer 9. The motor 1 provides a power source for the screw rod 7 to rotate, so that the normal running of the moving process is ensured; the setting of speed reducer 9 for motor 1 has self-locking function, ensures that lead screw 7 can be more rapid stop motion after the outage, can effectively shorten braking time.
Further, as shown in fig. 1, a supporting plate 12 is disposed at the bottom of the speed reducer 9, the screw rod 7 penetrates through the middle position of the supporting plate 12 and is connected with the speed reducer 9, and the bottom of the supporting plate 12 is connected with the positioning optical axis 3. The supporting plate 12 is fixed at the bottom of the speed reducer 9 through the screw rod 7 and the positioning optical axes 3 on two sides, the supporting plate 12 provides stable supporting force for the speed reducer 9, and the stability of the speed reducer 9 and the motor 1 in the working process can be effectively guaranteed, so that the stability of the whole device is improved.
In the specific implementation process, the pin shaft 5 is connected with an external swing arm device, the motor 1 is started, the output shaft of the motor 1 drives the screw rod 7 fixedly connected with the speed reducer 9 to rotate, and then the rotary motion conversion drives the swivel nut connecting piece 6 to vertically and repeatedly move up and down, so that the sliding bearing 4 fixedly arranged on the swivel nut connecting piece 6 and the pin shaft 5 vertically move, the pin shaft 5 drives the external swing arm device to vertically move, the sliding copper sleeve 2, the positioning optical axis 3 and the baffle 11 are matched for use, the external swing arm device can be ensured to always vertically and repeatedly move up and down between the base 10 and the baffle 11, and deflection cannot occur in the movement process; meanwhile, the front and rear thrust of the screw rod 7 can be greatly reduced, the service life of the screw rod 7 can be effectively prolonged, and the practicability is stronger.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a swing arm power device that can fix a position which characterized in that: the device comprises a base arranged in the horizontal direction and a screw rod arranged in the vertical direction, wherein one end of the screw rod is arranged on the base, and the other end of the screw rod is connected with a power source assembly for driving the screw rod; the two sides of the screw rod are fixedly provided with positioning components for positioning the screw rod; the screw rod is in threaded connection with a connecting assembly for connecting an external swing arm device; the connecting assembly can vertically reciprocate up and down along the base and between the positioning assemblies.
2. A positionable swing arm power plant according to claim 1, wherein: the positioning assembly comprises two positioning optical axes and baffles arranged in the horizontal direction, the two positioning optical axes are symmetrically arranged on two sides of the screw rod along the vertical direction, the bottom end of each positioning optical axis is arranged on the base, and the top end of each positioning optical axis penetrates through the baffles and is connected with the power source assembly; the baffle is arranged at the top of the connecting assembly through the positioning optical axis; one side of the positioning optical axis, which is positioned at the top of the baffle, is provided with a sliding copper sleeve; the connecting assembly can vertically reciprocate up and down between the base and the baffle.
3. A positionable swing arm power apparatus according to claim 2, wherein: the connecting assembly comprises a threaded sleeve connecting piece connected to the screw rod through threads, and a sliding bearing is arranged on the threaded sleeve connecting piece and used for connecting an external swing arm device.
4. A positionable swing arm power plant according to claim 3, wherein: the screw sleeve connecting piece is provided with a pin shaft, and the sliding bearing is connected with the screw sleeve connecting piece through the pin shaft.
5. A positionable swing arm power apparatus according to claim 2, wherein: the power source assembly comprises a motor, and an output shaft of the motor is connected with the top end of the screw rod.
6. A positionable swing arm power plant according to claim 5, wherein: the power source component further comprises a speed reducer, the speed reducer is arranged at the top end of the screw rod, and an output shaft of the motor is connected with the speed reducer.
7. A positionable swing arm power plant according to claim 6, wherein: the bottom of the speed reducer is provided with a supporting plate, the screw rod penetrates through the supporting plate and is connected with the speed reducer, and the bottom of the supporting plate is connected with the top end of the positioning optical axis.
8. A positionable swing arm power plant according to claim 1, wherein: the base is provided with a thrust bearing, and the screw rod is arranged on the base through the thrust bearing.
9. A positionable swing arm power plant according to claim 1, wherein: the screw is a precision ball screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215754.XU CN211951355U (en) | 2020-02-27 | 2020-02-27 | Positionable swing arm power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215754.XU CN211951355U (en) | 2020-02-27 | 2020-02-27 | Positionable swing arm power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951355U true CN211951355U (en) | 2020-11-17 |
Family
ID=73196594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020215754.XU Active CN211951355U (en) | 2020-02-27 | 2020-02-27 | Positionable swing arm power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951355U (en) |
-
2020
- 2020-02-27 CN CN202020215754.XU patent/CN211951355U/en active Active
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